John Stanley
Ran Gwscwm Colliery, Pembrey, from 1849 until it was flooded out in 1863, trading as Stanley and Co.
Mines operated
| Mine | Region | Years |
|---|---|---|
| Gwscwm Colliery | Carmarthenshire | 1849–1863 |
Record created: 10 October 2026 · Last researched: 10 October 2026